28295267

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 11379613

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1229, 1771, 2093, 3289, 8603, 13519, 15977, 23023, 28267, 94633, 111839, 175747, 197869, 310937, 367471, 1230229, 2176559, 2572297, 4042181, 28295267]

約数ペア:

[(1, 28295267), (7, 4042181), (11, 2572297), (13, 2176559), (23, 1230229), (77, 367471), (91, 310937), (143, 197869), (161, 175747), (253, 111839), (299, 94633), (1001, 28267), (1229, 23023), (1771, 15977), (2093, 13519), (3289, 8603)]